The announcement was made in an email to employees: “We are all greatly distressed by the disgraceful and unacceptable tweet from Roseanne Barr this morning. What she wrote is antithetical to our core values, both as individuals and as an agency. Consequently, we have notified her that we will not represent her. Effective immediately, Roseanne Barr is no longer a client.”

Jarrett is scheduled to appear on an MSNBC panel tonight about racism.

The hour-long discussion at the Prince Theater in Philadelphia will “explore the current state of race relations in America through the prism of several recent events, including the arrest of two African-American men at a Philadelphia Starbucks,” MSNBC said in an announcement.